创建 Docker 配置目录

sudo mkdir -p /etc/docker

配置镜像加速器

sudo tee /etc/docker/daemon.json <<-‘EOF’
{
“registry-mirrors”: [
“https://docker.mirrors.ustc.edu.cn”,
“https://hub-mirror.c.163.com”,
“https://registry.docker-cn.com”
],
“max-concurrent-downloads”: 3,
“max-download-attempts”: 5,
“log-driver”: “json-file”,
“log-opts”: {
“max-size”: “100m”,
“max-file”: “3”
}
}
EOF

重新加载并重启 Docker

sudo systemctl daemon-reload
sudo systemctl restart docker

验证配置

docker info | grep -A 10 “Registry Mirrors”